First solve for x in the first equation. So you'll have to substitute,
5(3x-7)=20
15x-35=20
Then add 35 to both sides.
15x=55
Divide 55 by 15.
So x = 3.66...
Then plug in 3.7 for x in 6x-8
6(3.7)-8
Its approximately 14.2
Uhmm mm I think it's true, and so does Siri hahahah
Answer:
-5x-1
Step-by-step explanation:
I don’t see the picture if I see it I can help you tho
I'm so sorry for not answer but which grade and what workbook is it?